1 /*
2 * Copyright © 2010 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23 #include <assert.h>
24 #include "ast.h"
25
26 const char *
operator_string(enum ast_operators op)27 ast_expression::operator_string(enum ast_operators op)
28 {
29 static const char *const operators[] = {
30 "=",
31 "+",
32 "-",
33 "+",
34 "-",
35 "*",
36 "/",
37 "%",
38 "<<",
39 ">>",
40 "<",
41 ">",
42 "<=",
43 ">=",
44 "==",
45 "!=",
46 "&",
47 "^",
48 "|",
49 "~",
50 "&&",
51 "^^",
52 "||",
53 "!",
54
55 "*=",
56 "/=",
57 "%=",
58 "+=",
59 "-=",
60 "<<=",
61 ">>=",
62 "&=",
63 "^=",
64 "|=",
65
66 "?:",
67
68 "++",
69 "--",
70 "++",
71 "--",
72 ".",
73 };
74
75 assert((unsigned int)op < sizeof(operators) / sizeof(operators[0]));
76
77 return operators[op];
78 }
79
80
ast_expression_bin(int oper,ast_expression * ex0,ast_expression * ex1)81 ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0,
82 ast_expression *ex1) :
83 ast_expression(oper, ex0, ex1, NULL)
84 {
85 assert((oper >= ast_plus) && (oper <= ast_logic_not));
86 }
87
88
89 void
print(void) const90 ast_expression_bin::print(void) const
91 {
92 subexpressions[0]->print();
93 printf("%s ", operator_string(oper));
94 subexpressions[1]->print();
95 }
96